The 3-Domain, 6-Kingdom classification system has only been used for a few decades. The original scheme did not include the classification level of “Domain”, but this level was added after scientists discovered new unicellular prokaryotes. Why were these new organisms placed in the Domain Archaea, instead of being included in the Domain Bacteria? Group of answer choices

They can’t live in extreme environments

They were not single-celled.

They had a membrane-bound nucleus

They were older and structurally different than other prokaryotes.

What process creates gametes? a.fertilization b.mitosis c.meiosis

Mendel made crosses between pure-breeding y’all pea plants with purple flowers and pure-breeding short pea plants with white flowers. the alleles for a y’all height and purple flowers were dominant. this cross is written a. ttpp x ttpp b. ttpp x ttpp c. ttpp x ttpp d. ttpp x ttpp

After a recent rainy season, a number of the communities in a western state suffered flooding and mudslides. a study commissioned by the state legislature determined that the extensive removal of a certain plant from hillsides within the state contributed significantly to the flooding and mudslides. the plant had an extensive root system that hold hillside soil in place, and it was being rapidly removed because its roots had recently gained national favor as a powerful herbal remedy. as a result, the legislature passed a statute prohibiting the removal of more than 50% of such plants from any hillside within the state. a landowner within the state challenged the statute under the takings clause of the fifth amendment, alleging that he had regularly harvested substantially more than 50% of the plants from his property and needed to do the same this year to meet the demand for the root. is he likely to prevail in his challenge?